Analysis

  • max time kernel
    105s
  • max time network
    109s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    08-02-2023 17:30

General

  • Target

    A2C0610976C72C78927DA80BB092501CE8A6F882B6241DC0517D3FA137AB8FE5.docx

  • Size

    10KB

  • MD5

    cf3c57e573d8825b2c398b8b187b3ecc

  • SHA1

    e80a459884ec9021de7c4f6a1e0cb8e12637e6bf

  • SHA256

    a2c0610976c72c78927da80bb092501ce8a6f882b6241dc0517d3fa137ab8fe5

  • SHA512

    1662a45eb2bc34b9d558f97be9e05b4d8b4f9e40470d290f4be3528291d30133b1d5ad3f55e8c26c2fdbb365913c14f3032ec8af7776ca2e7594936be8c4ff29

  • SSDEEP

    192:ScIMmtP5hG/b7XN+eOZO+5+5F7Jar/YEChI3wZ:SPXRE7XtOZ7wtar/YECO0

Score
7/10

Malware Config

Signatures

  • Abuses OpenXML format to download file from external location 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\A2C0610976C72C78927DA80BB092501CE8A6F882B6241DC0517D3FA137AB8FE5.docx"
    1⤵
    • Abuses OpenXML format to download file from external location
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1256

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1256-60-0x0000000000000000-mapping.dmp
    • memory/1256-61-0x000007FEFB621000-0x000007FEFB623000-memory.dmp
      Filesize

      8KB

    • memory/1284-54-0x0000000072111000-0x0000000072114000-memory.dmp
      Filesize

      12KB

    • memory/1284-55-0x000000006FB91000-0x000000006FB93000-memory.dmp
      Filesize

      8KB

    • memory/1284-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1284-57-0x0000000075931000-0x0000000075933000-memory.dmp
      Filesize

      8KB

    • memory/1284-58-0x0000000070B7D000-0x0000000070B88000-memory.dmp
      Filesize

      44KB

    • memory/1284-59-0x0000000070B7D000-0x0000000070B88000-memory.dmp
      Filesize

      44KB

    • memory/1284-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1284-63-0x0000000070B7D000-0x0000000070B88000-memory.dmp
      Filesize

      44KB